body {
        
        text-align:center;
        background-color:  whitesmoke;
        height: 100%;
}
html{
    height: 100%;
    
}
#centro {
        margin: 0 auto;
        padding: 0;
        width: 900px; /* Replace the xxxx with the the width of your site (eg 800px)*/
        text-align:left;
        background-color: white;
        height: 100%;
}

table
{
	font-family: "Lucida Sans Unicode", "Lucida Grande", Sans-Serif;
	font-size: 12px;
	margin: 45px;
	
	text-align: left;
	border-collapse: collapse;
	border: 1px solid #69c;
}
h1
{
    color: #003399;
}
th
{
	padding: 15px 10px 10px 10px;
	font-weight: normal;
	font-size: 14px;
	color: #039;
}
tbody
{
	background: #e8edff;
}
td
{
	padding: 10px;
	color: #669;
	border-top: 1px dashed #fff;
}
tbody tr:hover td
{
	color: #339;
	background: #d0dafd;
}
